mirror of https://github.com/apache/openjpa.git
OPENJPA-370. Backing out the changes for the LoadFetchGroup implementation. We need to re-think the implementation (both the real and the expected). I left the test Entities in SVN, but removed the testcase so that we wouldn't fail the builds.
git-svn-id: https://svn.apache.org/repos/asf/openjpa/branches/1.0.x@591157 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Kevin W. Sutter
parent
b522dea942
commit
3919e5ee7b
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@ -18,7 +18,6 @@
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*/
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package org.apache.openjpa.kernel;
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import java.util.BitSet;
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import java.util.Collection;
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import java.util.Set;
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@ -448,14 +447,6 @@ public class DelegatingFetchConfiguration
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}
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}
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public BitSet requiresFetch(Set fgs, FieldMetaData[] fmds ){
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try {
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return _fetch.requiresFetch(fgs, fmds);
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} catch (RuntimeException re) {
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throw translate(re);
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}
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}
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public boolean requiresLoad() {
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try {
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return _fetch.requiresLoad();
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@ -19,7 +19,6 @@
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package org.apache.openjpa.kernel;
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import java.io.Serializable;
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import java.util.BitSet;
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import java.util.Collection;
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import java.util.Set;
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@ -346,18 +345,6 @@ public interface FetchConfiguration
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*/
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public int requiresFetch(FieldMetaData fm);
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/**
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* Affirms if the given fields require to be fetched in the context of
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* the given fetch group set. Returns a BitSet that contains one of
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* {@link #FETCH_NONE}, {@link #FETCH_LOAD}, {@link FETCH_REF} for each
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* field.
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*
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* @param fgs fetch group set
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* @param fmds array of fields to be examined
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* @return BitSet that indicates whether fetches are required or not
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*/
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public BitSet requiresFetch(Set fgs, FieldMetaData[] fmds );
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/**
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* Return false if we know that the object being fetched with this
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* configuration does not require a load, because this configuration came
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@ -21,7 +21,6 @@ package org.apache.openjpa.kernel;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.BitSet;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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@ -93,7 +92,6 @@ public class FetchConfigurationImpl
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private boolean _load = true;
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private int _availableRecursion;
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private int _availableDepth;
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private Map _lfgFields = null;
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public FetchConfigurationImpl() {
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this(null);
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@ -512,10 +510,6 @@ public class FetchConfigurationImpl
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if (!includes(fm))
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return FETCH_NONE;
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return indirectFetch(fm);
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}
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private int indirectFetch(FieldMetaData fm){
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Class type = getRelationType(fm);
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if (type == null)
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return FETCH_LOAD;
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@ -536,15 +530,6 @@ public class FetchConfigurationImpl
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return FETCH_LOAD;
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}
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public BitSet requiresFetch(Set fgs, FieldMetaData[] fmds) {
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BitSet fields = new BitSet(fgs.size());
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Iterator itr = fgs.iterator();
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while (itr.hasNext()) {
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fields = includes((FieldMetaData) itr.next(), fmds, fields);
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}
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return fields;
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}
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public boolean requiresLoad() {
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return _load;
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}
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@ -582,69 +567,12 @@ public class FetchConfigurationImpl
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|| hasField(fmd.getFullName(false)))
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return true;
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String[] fgs = fmd.getCustomFetchGroups();
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for (int i = 0; i < fgs.length; i++){
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for (int i = 0; i < fgs.length; i++)
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if (hasFetchGroup(fgs[i]))
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return true;
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}
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return false;
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}
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private BitSet includes(FieldMetaData fmd, FieldMetaData[] fmds,
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BitSet fields) {
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if ((fmd.isInDefaultFetchGroup() && hasFetchGroup(FetchGroup.NAME_DEFAULT))
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|| hasFetchGroup(FetchGroup.NAME_ALL)
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|| hasField(fmd.getFullName(false))) {
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if (indirectFetch(fmd) != FETCH_NONE)
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fields.set(fmd.getIndex());
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return fields;
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}
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// now we need to see if this field associates with
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// any fetch groups
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String[] fgs = fmd.getCustomFetchGroups();
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for (int i = 0; i < fgs.length; i++) {
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if (hasFetchGroup(fgs[i])) {
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if (indirectFetch(fmd) != FETCH_NONE)
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fields.set(fmd.getIndex());
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// check whether this field has a loadFetchGroup
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// if it has a LoadFetchGroup, then we need to get
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// all the fields that associate with this LoadFetchGroup
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String fg = fmd.getLoadFetchGroup();
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if (fg != null) {
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BitSet fldIndex = getLoadFetchGroupFields(fg, fmds);
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// merge the loadFetchGroup fields to the retuned fields.
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if (fldIndex != null && !fldIndex.isEmpty()) {
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for (int j = 0; j < fldIndex.length(); j++)
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if (fldIndex.get(j))
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fields.set(j);
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}
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}
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}
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}
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return fields;
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}
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/**
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* Search the fields for this loadFetchGroup. It basically searches from
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* each field and check whether this field has the same fetchgroup. If it
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* has then this field is required to load.
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*/
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private BitSet getLoadFetchGroupFields(String fg, FieldMetaData[] fmds) {
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BitSet rtnField = null;
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if (_lfgFields != null && _lfgFields.containsKey(fg))
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return (BitSet)_lfgFields.get(fg);
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for (int i = 0; i < fmds.length; i++) {
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if (fmds[i].isInFetchGroup(fg)){
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if (rtnField == null)
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rtnField = new BitSet(fmds.length);
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rtnField.set(i);
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}
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}
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if (_lfgFields == null)
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_lfgFields = new HashMap(fmds.length);
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_lfgFields.put(fg,rtnField);
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return rtnField;
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}
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/**
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* Return the available recursion depth via the given field for the
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* given type.
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@ -427,11 +427,9 @@ public class StateManagerImpl
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BitSet fields = null;
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FieldMetaData[] fmds = _meta.getFields();
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Set fgs = null;
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boolean load;
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for (int i = 0; i < fmds.length; i++) {
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if (exclude != null && exclude.get(i))
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if (_loaded.get(i) || (exclude != null && exclude.get(i)))
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continue;
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switch (mode) {
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@ -439,10 +437,8 @@ public class StateManagerImpl
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load = !fmds[i].isTransient();
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break;
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case LOAD_FGS:
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load = false;
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if (fgs == null)
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fgs = new HashSet(fmds.length);
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fgs.add(fmds[i]);
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load = fetch == null || fetch.requiresFetch(fmds[i])
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!= FetchConfiguration.FETCH_NONE;
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break;
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default: // LOAD_ALL
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load = true;
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@ -453,22 +449,6 @@ public class StateManagerImpl
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fields = new BitSet(fmds.length);
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fields.set(i);
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}
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// post process for the fetchGroup: if there is a
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// fetchgroup field, then go to the FetchConfiguration
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// to get the required fetch fields.
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if (fgs != null && fetch != null){
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if (fields == null)
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fields = new BitSet(fmds.length);
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BitSet fgFields = fetch.requiresFetch(fgs, fmds);
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// merge the fetchgroup required fields to the original
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// fields only the fields are not already loaded and
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// are not in the original fields.
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for (int j = 0; j < fgFields.length(); j++) {
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if (fgFields.get(j) && !fields.get(j) && !_loaded.get(j))
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fields.set(j);
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}
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}
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}
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return fields;
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}
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@ -1,564 +0,0 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.apache.openjpa.persistence.fetchgroups;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Iterator;
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import java.util.List;
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import javax.persistence.EntityManager;
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import javax.persistence.Query;
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import org.apache.openjpa.persistence.OpenJPAEntityManager;
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import org.apache.openjpa.persistence.OpenJPAPersistence;
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import org.apache.openjpa.persistence.OpenJPAQuery;
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import org.apache.openjpa.persistence.test.SingleEMTestCase;
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public class TestFetchGroup extends SingleEMTestCase {
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public void setUp() {
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setUp(FGEmployee.class, FGDepartment.class, FGManager.class,
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FGAddress.class);
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EntityManager em = emf.createEntityManager();
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OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
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// Populate database as denoted in Entity Data
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boolean errors = initializeDatabase(oem);
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assertFalse(errors);
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}
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// Test no fetch group is added.
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public void testFetchGroup001() {
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// System.out.println("***********************************************");
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// System.out.println("******** 001 ==> test no fetch group is added
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// thru API");
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EntityManager em = emf.createEntityManager();
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OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
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FGEmployee emp = findEmployee(oem, 1, false, null);
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// Examine Employee(id=1).rating, data should be available
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// System.out.println("Assert Employee(id=1).rating should be null.
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// Result ==>");
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assertNull(emp.getRating());
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// Examine Employee(id=1).description, data should NOT be available
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// System.out.println("Assert Employee(id=1).description is null. Result
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// ==>");
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assertNull(emp.getDescription());
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// Examine Employee(id=1).address, data should not be available
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// System.out.println("Assert Employee(id=1).address is null");
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assertNull(emp.getAddress());
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// Examine Employee(id=1).dept, data should NoTbe available
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// System.out.println("Assert Employee(id=1).dept is null ");
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assertNull(emp.getDept());
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// Examine Employee(id=1).manager, data should NOT be available.
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// System.out.println("Assert Employee(id=1).manager is null ");
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assertNull(emp.getManager());
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}
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// Test no fetch group is added and restFetchGroup is called.
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public void testFetchGroup002() {
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// System.out.println("***********************************************");
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// System.out.println("*****************002 ==> test no fetch group is
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// added thru API and ");
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// System.out.println(" resetFetchGroup is called.");
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EntityManager em = emf.createEntityManager();
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OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
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FGEmployee emp = findEmployee(oem, 1, true, null);
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// Examine Employee(id=1).rating, data should not be available
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// System.out.println("Assert Employee(id=1).rating is null.");
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assertNull(emp.getRating());
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// Examine Employee(id=1).description, data should NOT be available
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// System.out.println("Assert Employee(id=1).description is null. Result
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// ==>");
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assertNull(emp.getDescription());
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// Examine Employee(id=1).address, data should not be available
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// System.out.println("Assert Employee(id=1).address is null ");
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assertNull(emp.getAddress());
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// Examine Employee(id=1).dept, data should NoT be available
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// System.out.println("Assert Employee(id=1).dept is null ");
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assertNull(emp.getDept());
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// Examine Employee(id=1).manager, data should NOT be available.
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// System.out.println("Assert Employee(id=1).manager is null ");
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assertNull(emp.getManager());
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}
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// Test Rating fetch group is added and restFetchGroup is called.
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public void testFetchGroup003() {
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// System.out.println("***********************************************");
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// System.out.println("****************003 ==> test RatingFetchGroup is
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// added thru API and ");
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// System.out.println(" resetFetchGroup is called.");
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EntityManager em = emf.createEntityManager();
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OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
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String[] arr = { "RatingFetchGroup" };
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FGEmployee emp = findEmployee(oem, 1, true, arr);
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// Examine Employee(id=1).rating, data should be available
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// System.out.println("Assert Employee(id=1).rating is not null. Result
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// ==> ");
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assertNotNull(emp.getRating());
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// Examine Employee(id=1).description, data should NOT be available
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// System.out.println("Assert Employee(id=1).description is null. Result
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// ==>");
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assertNull(emp.getDescription());
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// Examine Employee(id=1).address, data should be available
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// System.out.println("Assert Employee(id=1).address is not null because
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// of @LoadFetchGroup on Rating ==> ");
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assertNotNull(emp.getAddress());
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// Examine Employee(id=1).dept, data should NoTbe available
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// System.out.println("Assert Employee(id=1).dept is null = ");
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assertNull(emp.getDept());
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// Examine Employee(id=1).manager, data should NOT be available.
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// System.out.println("Assert Employee(id=1).manager is null =");
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assertNull(emp.getManager());
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// em.getTransaction().commit();
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}
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// Test Address and Rating fetch groups are added and restFetchGroup is
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// called.
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public void testFetchGroup004() {
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// System.out.println("***********************************************");
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// System.out.println("***************004 ==> test RatingFetchGroup and
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// AddressFetchGroup" +
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// "are added thru API and " +
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// "resetFetchGroup is called.");
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EntityManager em = emf.createEntityManager();
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OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
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String[] arr = { "RatingFetchGroup", "AddressFetchGroup" };
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FGEmployee emp = findEmployee(oem, 1, true, arr);
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// Examine Employee(id=1).rating, data should be available
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// System.out.println("Assert Employee(id=1).rating is not null. Result
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// ==> ");
|
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assertNotNull(emp.getRating());
|
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// Examine Employee(id=1).description, data should NOT be available
|
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// System.out.println("Assert Employee(id=1).description is null. Result
|
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// ==>");
|
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assertNull(emp.getDescription());
|
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// Examine Employee(id=1).address, data should be available
|
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// System.out.println("Assert Employee(id=1).address is not null ==> ");
|
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assertNotNull(emp.getAddress());
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// Examine Employee(id=1).dept, data should NoTbe available
|
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// System.out.println("Assert Employee(id=1).dept is null = ");
|
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assertNull(emp.getDept());
|
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// Examine Employee(id=1).manager, data should NOT be available.
|
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// System.out.println("Assert Employee(id=1).manager is null =");
|
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assertNull(emp.getManager());
|
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|
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}
|
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|
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// Test aggregateEmployeeFetchGroup2 only
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public void testFetchGroup005() {
|
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// System.out.println("***********************************************");
|
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// System.out.println("***************005 ==> test
|
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// aggregateEmployeeFetchGroup2 only");
|
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EntityManager em = emf.createEntityManager();
|
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OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
|
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|
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String[] arr = { "AggregateEmployeeFetchGroup2" };
|
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FGEmployee emp = findEmployee(oem, 1, true, arr);
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// Examine Employee(id=1).address, data should be available
|
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|
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// System.out.println("Assert Employee(id=1).address is not null ");
|
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assertNotNull(emp.getAddress());
|
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// Examine Employee(id=1).dept, data should NoTbe available
|
||||
// System.out.println("Assert Employee(id=1).dept is not null = ");
|
||||
assertNotNull(emp.getDept());
|
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// Examine Employee(id=1).manager, data should NOT be available.
|
||||
// System.out.println("Assert Employee(id=1).manager is not null =");
|
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assertNotNull(emp.getManager());
|
||||
|
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}
|
||||
|
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public void testFetchGroup006() {
|
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// System.out.println("***********************************************");
|
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// System.out.println("************006 ==> test
|
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// aggregateEmployeeFetchGroup1 and "+
|
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// " aggregateEmployeeFetchGroup2 - expect address, dept and manager are
|
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// not null");
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EntityManager em = emf.createEntityManager();
|
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OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
|
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// em.getTransaction().begin();
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|
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String[] arr = { "AggregateEmployeeFetchGroup1",
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"AggregateEmployeeFetchGroup2" };
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FGEmployee emp = findEmployee(oem, 1, true, arr);
|
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// Examine Employee(id=1).address, data should be available
|
||||
// System.out.println("Assert Employee(id=1).address is not null ");
|
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assertNotNull(emp.getAddress());
|
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// Examine Employee(id=1).dept, data should NoTbe available
|
||||
// System.out.println("Assert Employee(id=1).dept is not null ");
|
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assertNotNull(emp.getDept());
|
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// Examine Employee(id=1).manager, data should NOT be available.
|
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// FGManager mgr = emp.getManager();
|
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// System.out.println("assert manager is not null");
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assertNotNull(emp.getManager());
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assertNotNull(emp.getManager().getId());
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assertNotNull(emp.getManager().getFirstName());
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||||
|
||||
// Verify that Manager(id=101).manager is not available, as the
|
||||
// recursion depth should have retrieved only the Employee and its
|
||||
// manager.
|
||||
// System.out.println("Verify that Manager(id=101).manager is no
|
||||
// available, as the recursion depth should have retrieved only the
|
||||
// Employee and its manager.");
|
||||
// System.out.println("Assert Employee(id=1).manager.manager == null
|
||||
// ==>"+ mgrMgr);
|
||||
assertNull(emp.getManager().getManager());
|
||||
|
||||
// System.out.println("Verify that Manager(id=201).manager is not
|
||||
// available, as the recursion depth should have retrieved only the
|
||||
// Employee and its manager.");
|
||||
// assertNull(emp.getManager().getManager().getManager());
|
||||
|
||||
}
|
||||
|
||||
public void testFetchGroup007() {
|
||||
// System.out.println("***********************************************");
|
||||
// System.out.println("***********007 ==> test one fetch group attribute
|
||||
// is associated"+
|
||||
// "multiple fetch groups");
|
||||
EntityManager em = emf.createEntityManager();
|
||||
OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
|
||||
|
||||
String[] arr = { "ManagerFetchGroup1A" };
|
||||
FGEmployee emp = findEmployee(oem, 1, true, arr);
|
||||
// Examine Employee(id=1).address, data should be available
|
||||
// FGAddress addr = emp.getAddress();
|
||||
// System.out.println("Assert Employee(id=1).address is null ");
|
||||
assertNull(emp.getAddress());
|
||||
// Examine Employee(id=1).dept, data should NoTbe available
|
||||
// System.out.println("Assert Employee(id=1).dept is null");
|
||||
assertNull(emp.getDept());
|
||||
// Examine Employee(id=1).manager, data should NOT be available.
|
||||
// FGManager mgr = emp.getManager();
|
||||
|
||||
// System.out.println("Assert manager is not null");
|
||||
assertNotNull(emp.getManager());
|
||||
assertNotNull(emp.getManager().getId());
|
||||
assertNotNull(emp.getManager().getFirstName());
|
||||
|
||||
// Verify that Manager(id=101).manager is not available, as the
|
||||
// recursion depth should have retrieved only the Employee and its
|
||||
// manager.
|
||||
// System.out.println("Verify that Manager(id=101).manager is not
|
||||
// available, as the recursion depth should have retrieved only the
|
||||
// Employee and its manager.");
|
||||
assertNull(emp.getManager().getManager());
|
||||
|
||||
// System.out.println("Verify that Manager(id=201).manager is not
|
||||
// available, as the recursion depth should have retrieved only the
|
||||
// Employee and its manager.");
|
||||
// assertNull(emp.getManager().getManager().getManager());
|
||||
|
||||
}
|
||||
|
||||
public void testFetchGroup008() {
|
||||
// System.out.println("***********************************************");
|
||||
// System.out.println("***********007 ==> test one fetch group attribute
|
||||
// is associated"+
|
||||
// "multiple fetch groups");
|
||||
EntityManager em = emf.createEntityManager();
|
||||
OpenJPAEntityManager oem = OpenJPAPersistence.cast(em);
|
||||
OpenJPAEntityManager oem1 = OpenJPAPersistence.cast(em);
|
||||
Query q = oem1.createQuery("SELECT e FROM FGEmployee e WHERE e.id = 1");
|
||||
OpenJPAQuery oq = (OpenJPAQuery) q;
|
||||
oem1.clear();
|
||||
|
||||
// use the default, address and description should be null
|
||||
FGEmployee emp = findEmployeeForQuery(oem, oq, 1, true, null, null);
|
||||
oem1.clear();
|
||||
assertNull(emp.getAddress());
|
||||
assertNull(emp.getDescription());
|
||||
assertNull(emp.getManager());
|
||||
|
||||
// add fetch fields to the fetch plan - address and description should
|
||||
// not be null
|
||||
String[] str = {
|
||||
"org.apache.openjpa.persistence.fetchgroups.FGEmployee.description",
|
||||
"org.apache.openjpa.persistence.fetchgroups.FGEmployee.address" };
|
||||
FGEmployee emp2 = findEmployeeForQuery(oem, oq, 1, true, str, null);
|
||||
oem1.clear();
|
||||
assertNotNull(emp2.getAddress());
|
||||
assertNotNull(emp2.getDescription());
|
||||
assertNull(emp2.getManager());
|
||||
|
||||
// remove fetch fields again - address and description should be null
|
||||
FGEmployee emp3 = findEmployeeForQuery(oem, oq, 1, false, null, str);
|
||||
oem1.clear();
|
||||
assertNull(emp3.getAddress());
|
||||
assertNull(emp3.getDescription());
|
||||
assertNull(emp3.getManager());
|
||||
}
|
||||
|
||||
private FGEmployee findEmployee(OpenJPAEntityManager oem, Object id,
|
||||
boolean reset, String[] fetchGroups) {
|
||||
oem.getTransaction().begin();
|
||||
// System.out.println("findEmployoee starts and check the fetchGroup
|
||||
// info:");
|
||||
// int sz = oem.getFetchPlan().getFetchGroups().size();
|
||||
// String arr =
|
||||
// Arrays.toString(oem.getFetchPlan().getFetchGroups().toArray());
|
||||
// System.out.println("fetchGroup = "+arr+ " and fetch Group size
|
||||
// ="+sz);
|
||||
// reset fetchGroup if necessary:
|
||||
if (reset) {
|
||||
oem.getFetchPlan().resetFetchGroups();
|
||||
// assertEquals(1, oem.getFetchPlan().getFetchGroups().size());
|
||||
// arr =
|
||||
// Arrays.toString(oem.getFetchPlan().getFetchGroups().toArray());
|
||||
// System.out.println("after resetFetchGroup, fetchGroup="+arr);
|
||||
// assertEquals("[default]",arr);
|
||||
}
|
||||
if (fetchGroups != null) {
|
||||
// System.out.println("input fetchGroup = "+fetchGroups);
|
||||
for (String fg : fetchGroups)
|
||||
oem.getFetchPlan().addFetchGroup(fg);
|
||||
// arr =
|
||||
// Arrays.toString(oem.getFetchPlan().getFetchGroups().toArray());
|
||||
// System.out.println("after addFetchGroup, fetchGroups = "+arr);
|
||||
}
|
||||
// System.out.println("Finding Employee(id=1)...");
|
||||
FGEmployee emp = oem.find(FGEmployee.class, id);
|
||||
// System.out.println("Employee found ="+emp);
|
||||
oem.getTransaction().commit();
|
||||
// oem.clear();
|
||||
oem.close();
|
||||
return emp;
|
||||
|
||||
}
|
||||
|
||||
private static FGEmployee findEmployeeForQuery(OpenJPAEntityManager oem,
|
||||
OpenJPAQuery oq, Object id, boolean reset, String[] fetchGroups,
|
||||
String[] removes) {
|
||||
oem.getTransaction().begin();
|
||||
// reset fetchGroup if necessary:
|
||||
if (reset) {
|
||||
oem.getFetchPlan().resetFetchGroups();
|
||||
oq.getFetchPlan().resetFetchGroups();
|
||||
}
|
||||
if (fetchGroups != null) {
|
||||
for (String fg : fetchGroups)
|
||||
oq.getFetchPlan().addField(fg);
|
||||
// arr =
|
||||
// Arrays.toString(oq.getFetchPlan().getFetchGroups().toArray());
|
||||
// arr = Arrays.toString(oq.getFetchPlan().getFields().toArray());
|
||||
// System.out.println("after addFetchfields, fetch fields = "+arr);
|
||||
}
|
||||
if (removes != null) {
|
||||
oq.getFetchPlan().removeFields(removes);
|
||||
// arr = Arrays.toString(oq.getFetchPlan().getFields().toArray());
|
||||
// System.out.println("after removeFetchGroup, fetch fields =
|
||||
// "+arr);
|
||||
}
|
||||
// System.out.println("Finding Employee(id=1)...");
|
||||
FGEmployee emp = (FGEmployee) oq.getSingleResult();
|
||||
oem.getTransaction().commit();
|
||||
oem.clear();
|
||||
// oem.close();
|
||||
return emp;
|
||||
|
||||
}
|
||||
|
||||
private static void cleanDatabase(EntityManager em) {
|
||||
// Clean out the database
|
||||
em.clear();
|
||||
|
||||
String entityNames[] = { "FGEmployee", "FGAddress", "FGDepartment" };
|
||||
|
||||
// System.out.println("Cleaning database.");
|
||||
try {
|
||||
// System.out.println("Starting transaction...");
|
||||
em.getTransaction().begin();
|
||||
// if (persistenceContextType == PERSISTENCECONTEXTTYPE_APPMGD)
|
||||
// em.joinTransaction();
|
||||
|
||||
for (int index = 0; index < entityNames.length; index++) {
|
||||
String query = "SELECT a FROM " + entityNames[index] + " a";
|
||||
List entityAList = em.createQuery(query).getResultList();
|
||||
|
||||
// Nothing returned, go to the next entity
|
||||
if (entityAList.size() == 0)
|
||||
continue;
|
||||
|
||||
// System.out.println("Removing " + entityNames[index] + " data
|
||||
// from the database...");
|
||||
|
||||
Iterator i = entityAList.iterator();
|
||||
while (i.hasNext()) {
|
||||
Object entity = i.next();
|
||||
// System.out.println("Removing entity " + entity.toString()
|
||||
// + " ...");
|
||||
em.remove(entity);
|
||||
}
|
||||
}
|
||||
|
||||
// System.out.println("Committing transaction...");
|
||||
em.getTransaction().commit();
|
||||
} catch (Throwable t) {
|
||||
System.out.println("Caught exception during db cleanup" + t);
|
||||
} finally {
|
||||
try {
|
||||
if (em.getTransaction().isActive())
|
||||
em.getTransaction().rollback();
|
||||
} catch (Throwable t) {
|
||||
System.out
|
||||
.println("Caught exception transaction rollback in db cleanup failure recovery"
|
||||
+ t);
|
||||
// throw t;
|
||||
}
|
||||
}
|
||||
|
||||
// System.out.println("Done cleaning database.");
|
||||
}
|
||||
|
||||
private static boolean initializeDatabase(EntityManager em) {
|
||||
// Clean the database first
|
||||
cleanDatabase(em);
|
||||
|
||||
// System.out.println("Creating entities...");
|
||||
boolean errors = false;
|
||||
try {
|
||||
// Persist all entities to the database
|
||||
// System.out.println("Starting transaction...");
|
||||
em.getTransaction().begin();
|
||||
// if (persistenceContextType == PERSISTENCECONTEXTTYPE_APPMGD)
|
||||
// em.joinTransaction();
|
||||
|
||||
// Addreesses
|
||||
FGAddress[] addresses = new FGAddress[11];
|
||||
addresses[0] = new FGAddress(1, "1010 29th Ave NW", "Rochester",
|
||||
"MN", 55901);
|
||||
addresses[1] = new FGAddress(2, "2020 29th Ave NW", "Rochester",
|
||||
"MN", 55901);
|
||||
addresses[2] = new FGAddress(3, "5000 Pilot Knob", "Rochester",
|
||||
"MN", 55902);
|
||||
addresses[3] = new FGAddress(4, "8192 Galaxie Avenue",
|
||||
"Apple Valley", "MN", 55209);
|
||||
addresses[4] = new FGAddress(5, "9100 Knight Drive", "Fargo", "ND",
|
||||
58202);
|
||||
addresses[5] = new FGAddress(6, "312 Sioux Lane", "Bismarck", "ND",
|
||||
58102);
|
||||
addresses[6] = new FGAddress(7, "5124 Grinch Circle", "Mason City",
|
||||
"IA", 24241);
|
||||
addresses[7] = new FGAddress(8, "1201 Citrus Lane", "Raleigh",
|
||||
"NC", 12345);
|
||||
addresses[8] = new FGAddress(9, "1501 Lemon Lane", "Raleigh", "NC",
|
||||
12345);
|
||||
addresses[9] = new FGAddress(10, "2903 Orange Drive", "Raleigh",
|
||||
"NC", 12345);
|
||||
addresses[10] = new FGAddress(11, "1511 Kiwi Circle", "Raleigh",
|
||||
"NC", 12345);
|
||||
|
||||
// System.out.println("Persisting Address entities...");
|
||||
for (int index = 0; index < addresses.length; index++) {
|
||||
em.persist(addresses[index]);
|
||||
}
|
||||
|
||||
// Departments
|
||||
FGDepartment[] departments = new FGDepartment[7];
|
||||
for (int index = 0; index < 7; index++) {
|
||||
departments[index] = new FGDepartment(index + 1, "Department "
|
||||
+ (index + 1));
|
||||
}
|
||||
|
||||
// System.out.println("Persisting Department entities...");
|
||||
for (int index = 0; index < departments.length; index++) {
|
||||
em.persist(departments[index]);
|
||||
}
|
||||
|
||||
// Managers
|
||||
Collection<FGEmployee> emptyCollection = new ArrayList<FGEmployee>();
|
||||
FGManager[] managers = new FGManager[6];
|
||||
managers[0] = new FGManager(301, "Elric", "Scotch",
|
||||
"Description MMM1", departments[6], addresses[10],
|
||||
(FGManager) null, "Good", emptyCollection, "MData301");
|
||||
managers[1] = new FGManager(202, "Cedric", "Clue",
|
||||
"Description MM2", departments[5], addresses[9],
|
||||
managers[0], "Good", emptyCollection, "MData202");
|
||||
managers[2] = new FGManager(201, "Bill", "Editor",
|
||||
"Description MM1", departments[5], addresses[8],
|
||||
managers[0], "Good", emptyCollection, "MData201");
|
||||
managers[3] = new FGManager(103, "Sue", "Taylor", "Description M3",
|
||||
departments[4], addresses[8], managers[1], "Good",
|
||||
emptyCollection, "MData103");
|
||||
managers[4] = new FGManager(102, "Alfred", "Newmann",
|
||||
"Description M2", departments[3], addresses[7],
|
||||
managers[2], "Good", emptyCollection, "MData102");
|
||||
managers[5] = new FGManager(101, "Jim", "Mitternacht",
|
||||
"Description M1", departments[3], addresses[6],
|
||||
managers[2], "Good", emptyCollection, "MData101");
|
||||
|
||||
// System.out.println("Persisting Manager entities...");
|
||||
for (int index = 0; index < managers.length; index++) {
|
||||
em.persist(managers[index]);
|
||||
}
|
||||
|
||||
// Employees
|
||||
FGEmployee[] employees = new FGEmployee[8];
|
||||
employees[0] = new FGEmployee(1, "John", "Doe", "Description 1",
|
||||
departments[0], addresses[0], managers[5], "Good");
|
||||
employees[1] = new FGEmployee(2, "Jane", "Doe", "Description 2",
|
||||
departments[0], addresses[0], managers[5], "Good");
|
||||
employees[2] = new FGEmployee(3, "Steve", "Martin",
|
||||
"Description 3", departments[0], addresses[1], managers[5],
|
||||
"Good");
|
||||
employees[3] = new FGEmployee(4, "Mark", "Scrabble",
|
||||
"Description 4", departments[1], addresses[2], managers[4],
|
||||
"Good");
|
||||
employees[4] = new FGEmployee(5, "Stacy", "Life", "Description 5",
|
||||
departments[1], addresses[3], managers[4], "Good");
|
||||
employees[5] = new FGEmployee(6, "Alx", "Indigo", "Description 6",
|
||||
departments[2], addresses[5], managers[3], "Good");
|
||||
employees[6] = new FGEmployee(7, "John", "Einstein",
|
||||
"Description 7", departments[2], addresses[5], managers[3],
|
||||
"Good");
|
||||
employees[7] = new FGEmployee(8, "Max", "Headroom",
|
||||
"Description 7", departments[5], addresses[3], managers[2],
|
||||
"Good");
|
||||
|
||||
// System.out.println("Persisting Employee entities...");
|
||||
for (int index = 0; index < employees.length; index++) {
|
||||
em.persist(employees[index]);
|
||||
}
|
||||
|
||||
// System.out.println("Committing transaction...");
|
||||
em.getTransaction().commit();
|
||||
} catch (Throwable t) {
|
||||
// System.out.println("Caught exception during db populating"+ t);
|
||||
errors = true;
|
||||
} finally {
|
||||
try {
|
||||
if (em.getTransaction().isActive())
|
||||
em.getTransaction().rollback();
|
||||
} catch (Throwable t) {
|
||||
// System.out.println("Caught exception transaction rollback in
|
||||
// db population failure recovery"+ t);
|
||||
}
|
||||
}
|
||||
|
||||
return errors;
|
||||
}
|
||||
|
||||
} // end of TestFetchGroup
|
||||
Loading…
Reference in New Issue